EP3452380A1 - Behälterbehandlungsmaschine mit einem drehtellerdirektantrieb - Google Patents
Behälterbehandlungsmaschine mit einem drehtellerdirektantriebInfo
- Publication number
- EP3452380A1 EP3452380A1 EP17723651.0A EP17723651A EP3452380A1 EP 3452380 A1 EP3452380 A1 EP 3452380A1 EP 17723651 A EP17723651 A EP 17723651A EP 3452380 A1 EP3452380 A1 EP 3452380A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- turntable
- sealing lip
- sealing
- treatment machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/02—Devices for moving articles, e.g. containers, past labelling station
- B65C9/04—Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/06—Devices for presenting articles in predetermined attitude or position at labelling station
- B65C9/067—Devices for presenting articles in predetermined attitude or position at labelling station for orienting articles having irregularities, e.g. holes, spots or markings, e.g. labels or imprints, the irregularities or markings being detected
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/22—Optical devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Definitions
- the invention relates to a container treatment machine having the features of the preamble of claim 1.
- a container treatment machine can be designed, for example, as a labeling machine with labeling units, a transport carousel and container receptacles arranged peripherally thereon, wherein the containers are first received in the container receptacles and then guided past the labeling units for labeling.
- the container receptacle is pivoted synchronously with the application of the label, so that the label is applied as evenly as possible on the container circumference.
- the container receptacles each have a turntable which is rotatable with a turntable direct drive.
- each turntable can be individually controlled by a machine control system for the labeling process, making it particularly flexible and adaptable to different label and container types.
- To protect the turntable direct drive against contamination is a shaft sealing system, with which the interior of the motor is protected against contamination.
- EP 1, 596,488 A2 discloses a drive motor for the bottle turntable of a rotary labeling machine, in which the torque is transmitted from the drive shaft via connecting elements on the turntable.
- One of the connecting elements is rotatably mounted as a drive element in a bearing plate with ball bearings and sealed with sealing elements against dirt.
- the two-part construction of the shaft to the turntable out consisting of drive shaft and drive element usually serves to ensure that the drive element can be made of a harder material than the drive shaft, so that in the region of sealing elements a particularly low wear occurs.
- the disadvantage here is that the production is relatively expensive and that in the field of storage, a correspondingly large space is needed.
- Object of the present invention is therefore to provide a container treatment machine with a turntable direct drive for driving the turntable, which is less expensive to manufacture and requires less space.
- the invention provides a container treatment machine having the features of claim 1. Advantageous embodiments are mentioned in the subclaims.
- the diameter of the shaft can be made smaller than in a two-part arrangement. Consequently, the required space and thus material can be saved in the field of the bearing plate.
- the shaft sealing system can be optimized especially with regard to the sealing effect and low wear of the shaft sealing system.
- the shaft can be designed particularly stable for transmitting the drive torque. Accordingly, regardless of the shaft, the structural design and the material of the tread can be selected. As a result, the shaft sealing system can be constructed simpler and thus more cost-effectively.
- the container treatment machine for example a labeling machine, may comprise a transport carousel with the circumferentially arranged container receptacles, each with a turntable and a turntable direct drive.
- the transport carousel of the container treatment machine may be rotatable about a vertical axis by means of a drive. "Vertical" can mean here that this is the direction that is directed to the center of the earth.
- the container handling machine may be located in a container manufacturing and / or beverage processing plant.
- the container treatment machine may be upstream or downstream of a filling unit for filling a product into the containers.
- the device may also be arranged downstream of a stretch blow molding machine for plastic bottles.
- the container treatment machine may be an equipment machine, such as a labeling and / or printing machine, for containers. In each case a container receptacle may comprise the turntable and the turntable direct drive with the shaft sealing system.
- the at least one container receptacle can be provided for transporting the containers.
- the container receptacle may additionally comprise a centering bell, a retaining clips or the like for positioning a container in the receptacle.
- the turntable direct drive can be designed for rotating and / or pivoting the turntable.
- the containers to be treated with the container treatment machine may be intended to contain beverages, sanitary articles, pastes, chemical, biological and / or pharmaceutical products. to record products.
- the containers may be plastic bottles, glass bottles, cans and / or tubes.
- the plastic containers may in particular be PET, PEN, HDPE or PP containers. Likewise, it can be biodegradable containers whose main component consists of renewable raw materials, such as sugar cane, wheat or corn.
- the shaft of the turntable direct drive can be arranged vertically.
- the motor may be a position adjustable electric motor, preferably a servomotor or a torque motor. Conceivable are any type of electric motors (for example, a DC, asynchronous or synchronous motor), which are operated with a closed loop. In principle, a stepper motor with or without a closed loop would also be conceivable.
- the motor may comprise a housing in which the stator, the rotor, the shaft and / or the shaft sealing system are arranged.
- the shaft of the motor can be connected from the shaft sealing system directly or via one or more connecting elements with the turntable.
- the turntable can be arranged vertically above the turntable direct drive.
- a bearing plate can be designed to support the shaft.
- the end shield may be part of the motor housing, preferably part of a vertical top face of the turntable direct drive.
- the shaft may be rotatably mounted in the motor housing via one, two or more bearings, preferably about a drive axle. At least one of the bearings can be arranged in the bearing plate.
- the one or the bearings can each independently be designed as a roller bearing, preferably as a ball, cylindrical roller or tapered roller bearings.
- the shaft sealing system is suitable for "sealing the shaft” can here mean that an interior space of the engine with the rotor and the stator is sealed against an external environment
- the shaft sealing system serves for sealing the interior of the engine to the turntable
- the end shield and / or the motor housing may be designed to accommodate the at least one sealing lip.
- the tread thus moves with the shaft and forms a frictional partner for the sealing lip stationary with respect to the motor housing
- the sealing lip can be part of a sealing cassette which is replaced for maintenance bar is formed.
- the at least one sealing lip may at least partially consist of a flexible material, for example rubber, silicone or the like. Between at least two sealing There may be a supply of lubricant.
- the tread may be at least partially made of metal, for example steel, preferably hardened steel. Other materials, such as ceramic or brass can also be used as a tread. It is conceivable that the shaft sealing system comprises two or more sealing lips, which act against the tread.
- the shaft sealing system may comprise a circular disk-shaped element with the running surface and a passage enclosing the shaft, wherein the circular-disk-shaped element forms the connection between the shaft and the running surface which is decoupled from the transmission of the driving torque.
- the shaft can be designed especially for the transmission of the drive torque to the turntable and the circular disk-shaped element especially for the sealing effect. Consequently, therefore, the shaft may consist of a softer material, since it no longer comes into contact with the sealing lip and thus undergoes no wear. Consequently, the one-piece shaft can be made easier.
- the circular disk-shaped element for the provision of the sealing effect can be made of a specially suitable material, for example of a hardened metal.
- the hardened metal may be a non-rusting steel, for example, having a hardness of 55-58 HRC and is preferably ground without twisting.
- a material for the circular disk-shaped element for example 1.4034 (short name X46Cr13) or a comparable material can be used.
- the circular disk-shaped element can also be made compact in terms of space, since it is not subject to fatigue due to the transmission of the drive torque.
- the implementation of the circular disk-shaped element may be a bore which forms a fitting surface for the shaft.
- the circular disk-shaped element can be connected rotationally fixed to the shaft via the passage.
- the implementation is designed as a clamp or fit, preferably as a press fit relative to the shaft.
- the fact that the element is circular disk-shaped here can mean that in the area of the running surface it is a substantially disc-shaped arrangement with a circular outer edge which is concentric with the bushing.
- the circular disk-shaped element may be designed to be interchangeable for maintenance or wear.
- the shaft may be rotatably mounted with at least one bearing between the rotor and the turntable, wherein the circular disk-shaped element of the bearing effect of the bearing ent is coupled.
- the circular disk-shaped element can be attached to the shaft separately from the bearing action of the bearing. Consequently, the circular disk-shaped element can be simpler and thus constructed cheaper.
- the bearing can be arranged in the bearing plate to the rotor, with which the shaft is stored directly.
- the circular disk-shaped element between the bearing and the turntable can be arranged on the shaft.
- the running surface may be formed on a side facing away from the turntable, flat side of the circular disk-shaped element, wherein the at least one sealing lip is formed as Axialwellendichtring.
- the shaft sealing system can derive dirt running off from above particularly well, since it first reaches the upper side and thus the side of the circular disk-shaped element facing the turntable. Of this, the dirt is derived by the rotation of the turntable to the outside and reaches only very rarely in the region of the sealing lip.
- the flat side of the circular disk-shaped element may be a bottom, against which causes the sealing lip.
- Axial shaft sealing ring can here mean that it is at least one sealing lip, which acts substantially in the axial direction of the drive shaft against the tread.
- sealing lips which act as a Y-arrangement against the running surface of the circular disk-shaped element. This results in a particularly good sealing effect.
- the Y-arrangement of the sealing lip may have a further inner sealing lip and a grease reservoir.
- the shaft seal system may comprise a special bearing, to which the at least one sealing lip is attached, preferably molded.
- the special bearing may comprise a roller bearing, preferably a ball bearing, roller bearings or the like, on the outside of which the at least one sealing lip is injection-molded.
- the inside of the rolling bearing can be connected to the shaft.
- molded can be meant here that the sealing lip is molded onto the rolling bearing with an injection molding process.
- the implementation may be formed with a form-fitting to the shaft mounting surface and / or a seal. Due to the positive fastening surface a particularly secure, rotationally fixed seat of the circular disk-shaped element is ensured on the shaft. The seal prevents dirt from accumulating between the disc-shaped element and the shaft. The seal can be arranged with respect to the positive fastening surface further outward on the shaft, ie to the turntable. It is conceivable in that the positive fastening surface forms a press fit or a part of a clamping device for fastening the circular disk-shaped element to the shaft.
- the circular disk-shaped element may comprise a protective collar facing away from the turntable for dirt repelling, which is designed in particular as a shaft-concentric cylinder segment which surrounds the sealing lip at least partially.
- the protective collar may extend from an outer edge of the circular member toward the engine.
- the fact that the concentric cylinder segment at least partially surrounds the sealing lip may mean here that the concentric cylinder segment has a larger radius than the sealing lip, so that it is arranged radially inside the protective collar.
- the shaft can be connected to adapt different types of turntables via a turntable adapter with the turntable, which includes in particular a remote from the turntable ring extension for dirt repellence.
- the container treatment machine can be particularly easily adapted to different types of containers.
- the turntable adapter can be arranged completely outside the motor housing or the bearing plate. Due to the ring extension, the shaft seal system is even better protected against dirt.
- the annular extension of the turntable can be used together with the protective collar of the circular disk-shaped element described above, whereby a particularly good protection of the shaft sealing system is ensured.
- the annular extension can also be designed as a cylinder segment concentric with the shaft, so that the shaft sealing system at least partially surrounds.
- the at least one sealing lip may be formed with a support element for stabilization and / or with a tensioning element for applying a force against the running surface. Since the sealing lip is usually made of a flexible material, with the support member better stability can be effected so that the sealing lip does not change its position relative to the tread. By the clamping element, it is possible to press the sealing lip against the tread to ensure a reliable sealing effect.
- the tensioning element may for example be a spring.
- the shaft seal system may include a ring member having the first raceway, a second raceway, and a passageway surrounding the shaft, the at least one first sealing lip acting radially inwardly against the first raceway and a second sealing lip directed radially outward against the second raceway.
- the two sealing lips act radially against the respective running surface, resulting in manufacturing tolerances of Motors and the shaft sealing system in the vertical direction does not affect the reliability of the sealing effect and lead to variations in the friction effect. In addition, this reduces demands on the tolerances when installing the shaft sealing system.
- the shaft can be designed especially for the transmission of the drive torque to the turntable back and the ring member especially for the sealing effect. Consequently, therefore, the shaft may consist of a softer material, since it no longer comes into contact with the sealing lip and thus undergoes no wear. Consequently, the one-piece shaft can be made easier.
- the ring member for providing the sealing effect can be made of a specially suitable material, for example of a hardened metal.
- the hardened metal may be a non-rusting steel, for example, having a hardness of 55-58 HRC and is preferably ground without twisting.
- the ring element for example 1.4034 (short name X46Cr13) or a comparable material can be used.
- the ring element can also be designed compact in terms of space, since it is not subject to fatigue due to the transmission of the drive torque.
- the implementation of the ring member may be cylindrical and / or form a mating surface for the shaft.
- the ring element can be connected rotationally fixed to the shaft via the passage.
- the bushing is designed as a clamp or fit, preferably as an interference fit with respect to the shaft.
- “Ring element” can mean here that the first running surface and the second running surface are concentric with the bushing Wear be designed replaceable.
- the ring element comprises a preferably flat front side.
- the first running surface and the second running surface may protrude from the end side and / or be connected to one another via these.
- the ring element is rotationally symmetrical to the shaft and has a substantially U-shaped profile.
- the first running surface and the second running surface may be formed on the ring element as concentric cylindrical surfaces for performing, between which the at least one first sealing lip and the second sealing lip are arranged.
- the first running surface or second running surface formed as concentric cylindrical surfaces can preferably protrude perpendicularly from the end face of the ring element, in particular directed vertically downwards.
- vertical we mean the direction pointing to the center of the earth, which prevents dirt particles from entering the shaft sealing system from the outside.
- a third sealing lip can act radially inwardly against the first running surface, in particular wherein there is a grease supply between the at least one first sealing lip and the third sealing lip. As a result, the sealing effect of the shaft sealing system is further increased. In addition, there may be a supply of grease between the at least one first sealing lip and the second sealing lip. The grease supply reduces the wear of the sealing lips and the penetration of dirt particles.
- the at least one first sealing lip, the second sealing lip and / or the third sealing lip may be integrally formed as a sealing ring and / or consist of a flexible material such as rubber.
- the at least one first sealing lip, the second sealing lip and the third sealing lip can project radially from a carrier ring.
- the at least one first sealing lip, the second sealing lip, the third sealing lip and / or the sealing ring can be attached to the bearing plate and / or the housing of the engine.
- the bearing plate may comprise a circumferentially arranged on the shaft sealing system, conical discharge surface sloping obliquely outwards in particular in the profile. As a result, penetrating dirt particles are discharged to the outside.
- the turntable or the turntable adapter may comprise a preferably arranged on the underside protective collar to prevent dirt.
- the protective collar can be arranged with its underside of the conical discharge surface opposite, so that a gap for the discharge of dirt particles is formed.
- Figure 1 shows an embodiment of the turntable direct drive with the shaft sealing system in a side view
- Figure 2 shows another embodiment of the shaft sealing system in a side view in detail
- 3 shows a further embodiment of the shaft sealing system in a side view
- FIG. 4 shows an exemplary embodiment of a container treatment machine with the turntable direct drive according to FIG. 1, 2 or 3.
- FIG. 1 shows an embodiment of the turntable direct drive 1 with the Wellendichtsys- tem 4 is shown in a side view. You can see the turntable direct drive 1 with the motor 3, in the housing 31, the stator 33 and the rotor 34 are located.
- the rotor 34 is rotatably connected to the shaft 32, at the upper end of the turntable 2 is fixed.
- the shaft 32 is formed integrally to transmit the driving torque to the turntable 2 at least from the rotor 34 through the shaft sealing system 4 therethrough.
- the shaft sealing system 4 serves to protect the interior of the engine 3 from the ingress of dirt and / or moisture.
- the motor housing 31 consists of a housing sump 31 b, which is hermetically sealed at the ends on the one hand with the bearing plate 31 a (housing cover) and on the other hand with the housing bottom 31 c.
- the shaft 32 is rotatably supported by the two ball bearings 35 a and 35 b in the bearing plate 31 a and in the housing bottom 31 c.
- the ball bearing 35b shown above may be designed as a deep groove ball bearing with two sealing washers.
- the ball bearing 35 a shown below may be carried out so.
- other suitable bearing types or position arrangements are also conceivable.
- the rotor 34 is set in motion by the electromagnetic forces and thus the shaft 32 and the turntable 2 about the drive axis A in the direction R turned or pivoted.
- the motor is designed here for example as a servomotor and further comprises a rotary encoder not shown in detail (for example, Hall sensors or an optical or magnetic encoder).
- a rotary encoder not shown in detail (for example, Hall sensors or an optical or magnetic encoder).
- Conceivable are any type of electric motors (for example, a DC, asynchronous or synchronous motor), which are operated with a closed loop.
- the turntable direct drive 1 shown in FIG. 1 is located, for example, on the transport carousel of a container treatment machine, preferably a labeling machine, which will be described in greater detail below with reference to FIG.
- This container can be rotated on the turntable 2 in the labeling in the desired manner.
- the turntable 2 comprises a circular plate on top of which the containers can be received. It can also be seen that the shaft 32 is connected to the turntable 2 via the turntable adapter 21 in order to adapt to different turntable types. As a result, the turntable 2 can be exchanged particularly easily. In addition, optional on the turntable adapter 21 of the ring extension 21 b downwards, so facing away from the turntable 2 shown. As a result, the top of the shaft sealing system 4 is protected from contamination.
- FIG. 1 it can be seen in FIG. 1 that the motor 3 is sealed with the shaft sealing system 4 in the area of the shaft passage to the turntable adapter 21.
- the arranged in the end plate 31 a sealing lip 41 acts against the co-rotating with the shaft 32 tread 42a.
- the shaft sealing system 4 comprises the circular disk-shaped element 42 with the running surface 42a and with a passage 32b surrounding the shaft 32b. Characterized in that the circular disk-shaped element 42 is placed over the passage 42b as a ring on the shaft 32 separately from the bearing 35b, it is decoupled from the transmission of the drive torque. This makes it possible to produce the circular disk-shaped element 42 from a material suitable for the sealing effect and for low wear, for example from a hardened steel material. Since the circular disk-shaped element 4 is a rotary part with comparatively low mass, it can be produced in a particularly simple and cost-effective manner.
- the shaft 32 can be used for the shaft 32, a material that is particularly easy to work because it is not subject to wear during operation by the shaft sealing system.
- the shaft 32 can be designed for optimum transmission torque transmission.
- the shaft 32 between the rotor 34 and the turntable 2 is rotatably supported by the bearing 35b.
- the circular disk-shaped element 42 is connected with its passage 42b relative to the bearing outside the turntable 2 out with the shaft 32 so that it is decoupled from the bearing effect.
- the passage 42b is formed with the form-fitting to the shaft mounting surface 42e and 42f with a sealing ring.
- the form-fitting fastening surface 42e forms a snug fit, so that a rotationally fixed connection to the shaft 32 is produced.
- the sealing ring 42 f is additionally prevented that dirt gets inside the motor 3.
- the running surface 42a is formed on a side facing away from the turntable 2, flat side of the circular disk-shaped element 42 on the disk body 42c, ie in the direction of the motor inner side. Consequently, the running surface 42a is arranged substantially perpendicular to the axis of rotation A.
- two sealing lips 41 act in Y-arrangement and form a Axialwel- lendichtring. As a result, the sealing lips 41 act substantially in the axial direction against the tread 42a. It is additionally conceivable that between the two sealing lips 41 in Y-arrangement, a grease supply for lubricating the shaft sealing system 4 is present.
- the circular disk-shaped element 42 comprises a protective collar 42d facing away from the turntable 2 in order to deflect debris from the turntable 2 from the sealing region of the sealing lip 41.
- the protective collar 42d is designed as a cylinder segment concentric with the shaft 32, which surrounds the sealing lip 41.
- the protective collar 42d formed as a concentric cylinder segment has a slightly larger diameter than the sealing lips 41 and is cylindrical at the outer edge of the disk body 42c to the bearing plate 31 a out. Consequently, penetrating dirt is discharged downwards.
- the protective collar 42d is optional and can therefore be omitted, as shown for example in FIG.
- the sealing lips 41 in Y-arrangement are stabilized via the support member 45 and held in the bearing plate 31 a.
- the sealing lips 41 are further removed from the bearing plate 31 a for replacement.
- the sealing lips 41 are contained in a sealing cassette which is releasably connectable to the bearing plate 31 a.
- a further inner sealing lip 44 may be arranged with a grease reservoir 43 for lubricating the shaft sealing system 4.
- the middle sealing lip between the sealing lips 41 and 44 can be completely eliminated. It may also be arranged only the sealing lip 41. A fat reserve would then the each resulting internal space may be arranged for lubricating the shaft sealing system.
- sealing system 4 shown in Figure 1 it is possible to decouple the sealing effect of the bearing effect or transmission of the drive torque. This makes it possible to use in each case particularly suitable materials and to produce the elements inexpensively. Furthermore, 32 space can be saved by the thinner construction of the shaft.
- FIG. 2 shows a further embodiment of the shaft sealing system 4 is shown in a side view in detail. It differs from the embodiment in Figure 1 only in that a special bearing 35b 'is used, in which the sealing lips 41 are molded onto the rolling bearing.
- the bearing plate 31 a is accordingly formed with a cylindrical mating surface, so that the outside of the special bearing 35 b 'can be fixed therein.
- the special bearing 35b 'on the inside between the edge 32a of the shaft 32 and the circular disk-shaped element 42 is preferably clamped to the lower end of the positive fastening surface 42e. As a result, the special bearing 35b 'can be easily detached from the shaft 32 and replaced.
- the shaft seal system 4 is particularly compact and easy to install.
- the circular disk-shaped element 42 is designed without protective collars. Optionally, however, it may also be present as in FIG.
- FIG. 3 a further embodiment of the shaft sealing system 5 is shown in a side view in FIG.
- the embodiment in Figure 3 differs from that of Figure 1 essentially by the structure of the shaft sealing system 5. All other features apply accordingly.
- the motor 3 is sealed in the area of the shaft passage to the turntable adapter 21 with the shaft sealing system 5.
- a first and third sealing lip 51 a, 51 c radially inwardly directed against the co-rotating with the shaft 32 connected first tread 52a and the second sealing lip 51b directed radially outward against the with the shaft 32nd co-rotating second tread 52b.
- the shaft sealing system 5 comprises the sealing ring 51 with the first, second and third sealing lips 51 a, 51 b, 51 c and the ring member 52 with the first and second running surfaces 52 a, 52 b.
- the shaft sealing system 5 can also be constructed as an exchangeable sealing cassette. It can be seen that the first sealing lip 51 a, the second sealing lip 51 b and the third sealing lip 51 c are integrally formed as a sealing ring 51 and project from a support ring. In order to ensure a particularly good sealing effect, the sealing lips 51 a, 51 b and 51 c made of a flexible material, such as rubber. It is also conceivable here that the sealing ring 51, similar to that in FIG. 1, is provided with a support element for stabilization.
- the ring element 52 is formed with the first running surface 52a, the second running surface 52b and with a passage 32d enclosing the shaft 32.
- the shaft 32 can be designed for optimum transmission torque transmission.
- the passage 52d is formed with a form-fitting to the shaft mounting surface.
- the positive fastening surface forms a snug fit, so that a rotationally fixed connection to the shaft 32 is produced.
- the first running surface 52a and the second running surface 52b are formed on the ring element 52 as concentric cylindrical surfaces to the 52d, between which the first sealing lip 51 a, the second sealing lip 51 b and the third sealing lip 51 c are arranged.
- the first running surface 52a and the second running surface 52b form an annular gap into which the sealing lips 51a, 51b and 51c protrude.
- the ring member 52 includes the end face 52c, from which the first running surface 52a and the second running surface 52b protrude vertically downward.
- the end face 52c is here circular-disk-shaped or formed as a flat surface. However, it is also conceivable that the end face 52c has a curvature in the profile.
- the bearing plate 31 a includes the circumferentially arranged on the shaft sealing system 5, conical discharge surface 31 1 a, which decreases in profile obliquely outwards. As a result, penetrating dirt particles are discharged to the outside.
- the turntable adapter 21 comprises a protective collar 21b, preferably arranged on the underside, for dirt-repelling purposes.
- the protective collar 21 b is arranged with its underside of the conical discharge surface 31 1 a opposite, so that a gap for the discharge of dirt particles is formed.
- due to the gap designed in this way particularly little dirt particles can penetrate from outside to the shaft sealing system 5.
- tolerances of the turntable direct drive 1, in particular of the sealing system 5 and the motor 3, are vertical Direction not to an unreliable sealing effect and scattering of the friction effect. In addition, this reduces demands on the tolerances during installation of the shaft sealing system 5.
- sealing system 5 shown in Figure 3 it is also possible to decouple the sealing effect of the bearing effect or transmission of the drive torque. This makes it possible to use in each case particularly suitable materials and to produce the elements inexpensively. Furthermore, 32 space can be saved by the thinner construction of the shaft.
- FIG. 4 shows an embodiment of a container treatment machine 10 is shown in a side view, which is designed here as a labeling machine.
- a turntable 2 is shown here with a direct drive 1, however, there are circumferentially on the transport carousel 1 1 a plurality of such arrangements at regular angular intervals.
- the transport carousel 1 1 rotates about its carousel axis B by means of a drive not shown here.
- the containers 12 are clamped to the turntable 2 and / or the centering bell 13 and guided past the labeling unit 14. During labeling, they are rotated in a defined manner by means of the direct drive 1, so that the label 15 is attached as uniformly as possible to the container circumference.
- the dirt entering from above and from the side is discharged to the outside in the direct drive 1 with a sealing system 4, 5 according to the exemplary embodiments in FIGS. 1, 2 or 3, so that the internal structure of the turntable direct drive 1 is not damaged.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016207583.7A DE102016207583A1 (de) | 2016-05-03 | 2016-05-03 | Behälterbehandlungsmaschine mit einem Drehtellerdirektantrieb |
| PCT/EP2017/060485 WO2017191166A1 (de) | 2016-05-03 | 2017-05-03 | Behälterbehandlungsmaschine mit einem drehtellerdirektantrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3452380A1 true EP3452380A1 (de) | 2019-03-13 |
| EP3452380B1 EP3452380B1 (de) | 2020-04-01 |
Family
ID=58709447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17723651.0A Active EP3452380B1 (de) | 2016-05-03 | 2017-05-03 | Behälterbehandlungsmaschine mit einem drehtellerdirektantrieb |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190135475A1 (de) |
| EP (1) | EP3452380B1 (de) |
| CN (1) | CN210708293U (de) |
| DE (1) | DE102016207583A1 (de) |
| WO (1) | WO2017191166A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6370767B2 (ja) * | 2015-11-25 | 2018-08-08 | ファナック株式会社 | 放電加工機用の回転テーブル装置 |
| EP3267079B1 (de) * | 2016-07-08 | 2022-06-22 | Goodrich Actuation Systems Limited | Drehdichtungsanordnung |
| DE102020104076A1 (de) * | 2020-02-17 | 2021-08-19 | Progress-Werk Oberkirch Aktiengesellschaft | Verfahren zum festen Verbinden einer Welle mit einem Rotorgehäuseteil sowie Rotorgehäuseteil |
| EP3901045B1 (de) * | 2020-04-22 | 2023-09-27 | Kosme S.r.l. Unipersonale | Karussellvorrichtung zum bewegen von behältern |
| JP7573396B2 (ja) * | 2020-09-04 | 2024-10-25 | 株式会社ニューフレアテクノロジー | θステージ機構及び電子ビーム検査装置 |
| CN114260863A (zh) * | 2020-09-16 | 2022-04-01 | 深圳市湘聚实业有限公司 | 一种迷宫密封式回转工作台及其控制方法 |
| DE102021206663A1 (de) * | 2021-06-28 | 2022-12-29 | Vitesco Technologies Germany Gmbh | Elektrische Maschine und Kraftfahrzeug |
| CN113460427B (zh) * | 2021-07-31 | 2025-03-14 | 秦皇岛中德实业有限公司 | 贴标机的伺服托瓶盘防水结构 |
| EP4395138A1 (de) * | 2022-12-27 | 2024-07-03 | Portescap India Pvt Ltd | Dichtungssystem zum schutz einer elektrischen maschine mit rotierenden bauteilen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177744B1 (en) * | 1998-03-17 | 2001-01-23 | Reliance Electric Technologies, Llc | Seal arrangement for an electric motor |
| DE102004024136B4 (de) | 2004-05-14 | 2023-08-10 | Khs Gmbh | Antriebsmotor mit integrierten Wellenverbindungselementen |
| EP1873066B1 (de) * | 2006-06-06 | 2010-05-26 | Sidel Holdings & Technology S.A. | Motor für eine Trägerplatte in einer Etikettiermaschine |
| JP6150736B2 (ja) * | 2013-03-19 | 2017-06-21 | 株式会社ハーモニック・ドライブ・システムズ | 波動歯車装置および中空型回転アクチュエータ |
| DE202015100659U1 (de) * | 2015-02-11 | 2016-05-12 | Krones Ag | Behälterbehandlungsmaschine mit einem Drehtellerdirektantrieb |
-
2016
- 2016-05-03 DE DE102016207583.7A patent/DE102016207583A1/de not_active Withdrawn
-
2017
- 2017-05-03 WO PCT/EP2017/060485 patent/WO2017191166A1/de not_active Ceased
- 2017-05-03 CN CN201790000993.XU patent/CN210708293U/zh active Active
- 2017-05-03 EP EP17723651.0A patent/EP3452380B1/de active Active
- 2017-05-03 US US16/098,636 patent/US20190135475A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016207583A1 (de) | 2017-11-09 |
| US20190135475A1 (en) | 2019-05-09 |
| EP3452380B1 (de) | 2020-04-01 |
| WO2017191166A1 (de) | 2017-11-09 |
| CN210708293U (zh) | 2020-06-09 |
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